Gas heater



Oct- 31, 1950 H. F. B. JoRGENsr-:N 2,528,312

GAS HEATER Filed July 29, 1947 2 Sheets-Shea?I l nNvENTqR ATTORNEYS Oct. 31, 1950 y H. F. B. JORGENSEN GAS HEATER 2 Sheets-Sheet 2 Filed July 29, 1947 ATTORNEY Patented oct. s1, 195o OFFICEN GAS HEATER HansfFrederikBarker Jorgensen, Herlev, near Copenhagen, Denmark Application July `29, 1947, Seriall No. 764,305 InffDenmarkjNovember 9, 1945 Section 1;, Public -Law 690, August 8, 1946 Patent expires November 9, 1965 3 Claims.

This: invention:relates-ato gas heaters suitable fon domestic:cooking'iandfheating purposes and is'Y concerned. more'.v particularly with' anovel 'gas heater; which includes;V a1 supporting-structure, on which the Vessel to be heated may be placed, and a burner carried by the structure and" constructed to; causeiV an; even: distributionl of' heat oventhefbottom-:of tbefvessel. The new heater isoiisimp'ie, inexpensive construotionand it is highly eiectivefinf operation.

The supportingstructure of'the-I new heater includes; plurality ofV standards arranged in aclosed;` andv usually circular; series and havingginwardextensionsf, w-hichin the preferred form-oi; theheater, are-connected togetherat their inner ends.` The; extensions have supporting surfaces at their-:topsiandlthe burner iscarried by the: structure andthe extensionsproiectwithin theoutlinefof theburner. The

burner may. be permanentlyA attached to thel structure, as', for; example, by being secured to,

and' such passages may be wholly Withinthe outline or` have the, form` of indentationsrleadingfinwardly from. thel periphery. The outline ofi the top` of` the burner is` of substantial area and/usually its diameter is greater thanlhali; the

diameter of,` a circle drawn through thel outer-1 ends. of the. supporting surfaces on the struc-.- A: burner, of the construction describedture. insures lexcellent distribution of the heat. de-

livered.` to., the bottom of. a vessel resting* on the supportingsurfaces lof the structure For. av better, understanding of the invention, reference may be, made to the accompanying drawings. in which Fig. 1.15 a-top; plan .View of, oneiormof burner that .may be used,` inthe new. heater;

' Fig..2 is asectionalview on the 1ine.2,2 ofy Fig.; 311s, a top planview of one forlnof the new heater;

Fig- 4 is ag view inside elevation of the-heater shown in Fig. 3;

Fig` 5fisa sectional View on the-line 5 5 oi Eig. 6, showing. another form of the newtY heater Figs'. 9 andlO. are views inside elevationand.

top plan, respectively, of anotheri form of burner.

The-heater in the formshown inFigi fl comprises a supporting structure; consistingof a plurality oistandards H. arranged in a circular series` and having: inward extensions` l2;` from their upper ends, the inner; ends,V4 ois` the extensions being connecteditogether. The burner- I3' used inthe heatersincludes an Lippen-disc' lftand a lower disc l5, which are formcd with peripheraliianges and are secured-v together-withtheir iiangesl projecting towardy oneganother a-ndcoverlap-ping, so that the discs definev a; thin at chamber. The flanges' may be secured; together by-V welding ori in; any other convenient manner, orfu the discs may-*befso-formedthatthe` flanges nt suiciently tightly against` one another to hold-the discstogether',A Preferably, theburner, is providedgwitm a. plurality ofv air passages IB; through it whichV are dened, by Werlappingv flanges formed.; on the; discs; The upper disc has.- a: plurality of flamel orifices l1, which are locatedalongthe-periphery of the-disc, the out-` linesroi thear passages, and wherever else desired; The-topof the burner is ofv substantialarea andy its diameter isf-preferably greater'than half the diameter of a circle drawn-throughthe` outer edges of.r the standards.

In theheatervof` Figs. 3ffand4, the burner is permanently attached to the supporting structure and; for this; purposathe central.y portions of;` the under'V sides of-4 the. extensions l2; are out away to form seats-= E8; The toprofA the-burner is placed to-engagefthe seats and issecured thereto byl welding o r in any other convenient manner. Inwardly from the seats, the under surfaces; of; the; extensions IZfare.- further cut away; as indicated at i9, so that these surfaces are free oiV the; top of the; burner- The top edges 2E: of: the extensionsV form supporting surfaces,

which lie asubstantial distance above the top ofv the burner.-

The lower disc l5 of theburner has a centralr opening, aroundxwhich a pipe 2l is secured by welding. f The, lower end of: the pipe is open and; nearthat end, the pipe has a lateral, opening; through which extends a gas tube 22 at'- tached to one of the standards il by a clip 23. The end of the gas tube within pipe 2l has an opening 24, through which gas can escape into the pipe. Air is drawn in with the gas through the lower end of the pipe to form a gas-air mixture, which flows into the burner chamber to escape through the flame orices.

The burner shown in Figs. 1 and 2 is also of circular outline and is formed of upper disc 24 and lower disc 25. The burner has air passages 26 defined by overlapping flanges 2l, 218 on the discs, and the discs are formed with indentations 29 leading inwardly from their peripheries to form additional air passages. Gas

is supplied to the chamber between the discs byy a pipe 30 attached t0 the lower disc and surrounding an opening therethrough.

The heater shown in Figs. and 6 includes a plurality of standards 3i having inward extensions 32, the inner ends of the extensions being secured to a vertical tube 33 centrally of the structure. The top edges of the extensions have depressed portions 34 adjacent tube 33, and a burner 35 is seated on the depressed portions of those top edges. The burner comprises an upper disc 36 and a Ilower disc 31 having 'overlapping peripheral flanges. The discs are formed with indentations 38 from their peripheries and the indentations are so arranged that, when the `burner is seated on the depressed portions 34 of the top edges of the extensions 32, the portions of the extensions outward from the depressed portions project upwardly through indentations 38. The top edges 39 of extensions 32 lying outwardly from the depressed portions 34 lie at a substantial distance above the level of the top of the burner and the outer ends 4i) of the edges 39 form supporting surfaces on which a vessel m-ay be placed. If desired, the supporting surfaces may be defined at their outer ends by vertical shoulders 4|.

The burner 35 is supplied with a gas-air mixture through a pipe 42, which is attached to lower disc 31 to surround an opening therein. When the burner is mounted on the supporting structure, the pipe 42 extends through tube 33 with its lower end overlying an opening 43 in the top of a gas tube 44 atta-ched by a clip 45 to one of the standards 3 l. To facilitate removal of the burner from the structure, the top disc of the burner may be provided with a projection 46 having a hole therethrough. The top disc 36 of the burner is provided with a plurality of flame oriiices 4'! distributed over the surface of the disc in any desired manner.

Other forms of a replaceable burner, which may be used in the heater shown in Figs. 5 and 6, are illustrated in Figs. 7-10 inclusive. The burner shown in Figs. '7 and 8 is of generally circular outline and is made up of an upper disc 48 and la lower disc 49 having flanges secured together edge to edge. The discs have air `passages 50 therethrough defined by flanges on the respective discs and the discs are also formed with peripheral indentations 5i, through which air may pass. The top disc is provided with a projection 52 for removal of the burner and the lower disc carries a gas pipe 53 surrounding an opening in the disc. The top disc is formed with a plurality of flame orifices 54 ordinarily distrib-- uted around the periphery of the burner and around the edges of the air openings.

The burner shown in Figs. 9 and 10 is of smaller size than those previously described -and it consists of an upper disc 55 and a lower disc 56 having peripheral flanges secured together edge to edge. The discs are formed with peripheral indentations 5i and the top disc has a plurality of flame orifices 58 and a central projection 59 to facilitate removal of the burner. The lower disc has a central opening through which the fuel may be supplied through a tube 60 surrounding the opening.

In all forms of the new heater, the extensions from the standards of the supporting structure .project inwardly beyond the outline of the burner and the vessel is supported at the desired height above the burner. The top of the burner forms a radiating surface, from which heat is radiated to the .bottom of the vessel, and an even distribution of heat to the contents of the vessel is thereby insured.

In the use of the heater shown in Fig. 5, burners of diiferent size may be employed as desired, and these burners all have peripheral indentations, so that the burners may be placed in position with the extensions from the standards projecting inwardly beyond the outline of the burner top and extending upwardly through the indentations.

I claim:

l. A gas heater suitable for domestic use, which comprises a central tubular member, a plurality of extensions radiating from the tubular member, a plurality of supporting standards connected to the outer ends of respective extensions, the tops of the inner portions of the extensions adjacent the tubular member lying at a lower level than the tops of the remainder of the extensions, and a burner having a thin flat chamber resting on top of the inner portions of the extensions and an inlet pipe extending downwardly from the bottom of the chamber into said tubular member, the chamber having indentations extending inwardly from its periphery to form air passages within the outline of the chamber, and the chamber having flame orifices distributed over its top surface with certain of the orifices lying along the periphery of said surface and the edges of the indentations, the portions of the extensions outward from said inner portions thereof rising through respective indentations substantially from end to end thereof and having top surfaces lying at a level above the top surface of the burner.

2. A gas heater for domestic use, which comprises a central tubular member, a plurality of extensions radiating from the tubular member, a plurality of supporting standards connected to the outer ends of respective extensions, the tops of the inner portions of the extensions adjacent the tubular member lying at a lower level than the tops of the remainder of the extensions, and a burner having a thin iiat chamber resting on top of the inner portions of the extensions and having an inlet pipe within said tubular member, the chamber having air passages therethrough formed at least in part by indentations extending inwardly from the periphery of the chamber, and the chamber having flame orices distributed over its top surface with certain of the orifices lying along the periphery of said surface and the boundaries of said air passages, the portions of the extensions outward from said inner portions thereof rising through respective indentations and having top surfaces lying at a level above the top of the burner.

' 3. A gas heater suitable for domestic use which comprises a central tubular member, a plurality of radially extending standards connected at their inner ends to the member, the tops of the inner ends of the standards connected to the tubular member and the top of the tubular member lying at a substantially lower level than the tops of the remainder of the standards, and a burner for heating a vessel supported on the remainder of the standards, the burner being freely supported on the tops of the inner ends of the standards and on the top of the central tubular member and having a downwardly extending tube received within the central tubular member, the burner also having indentatons extending inwardly from its periphery to receive those portions Of the standards extending upwardly from the lower level, the burner having a flat top surface in which are formed a plurality of ame orifices substantially evenly spaced from one another, certain of the orifices lying along the periphery of said top surface and the edges of the v'indentations so that heat will be uniformly distributed by the burner to the standard-supported vessel, the burner being vertically removable from "support by the standards vwhereby a burner of different peripheral extent may be substituted when a different size vessel is to be heated.

HANS FREDERIK BARKER J ORGENSEN REFERENCES CITED Thefollowing references are of record in the le of this patent:

UNITED STATES PATENTS 

